diff mbox series

[v3,05/11] spi: Remove check for controller idling in spi sync path

Message ID 20220621061234.3626638-6-david@protonic.nl (mailing list archive)
State Accepted
Commit d5256cce1f50ff4c8fad6b8eb7b4ec9e47d38925
Headers show
Series Optimize spi_sync path | expand

Commit Message

David Jander June 21, 2022, 6:12 a.m. UTC 
Now that the idling flag is wholly behind the io_mutex, this broken piece
of code can be safely removed.

Signed-off-by: David Jander <david@protonic.nl>
---
 drivers/spi/spi.c | 4 ----
 1 file changed, 4 deletions(-)
diff mbox series

Patch

diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c
index fa2d091d2854..d8d2b7ac78f2 100644
--- a/drivers/spi/spi.c
+++ b/drivers/spi/spi.c
@@ -3964,10 +3964,6 @@  static void __spi_transfer_message_noqueue(struct spi_controller *ctlr, struct s
 
 	mutex_lock(&ctlr->io_mutex);
 
-	/* If another context is idling the device then wait */
-	while (ctlr->idling)
-		usleep_range(10000, 11000);
-
 	was_busy = READ_ONCE(ctlr->busy);
 
 	ret = __spi_pump_transfer_message(ctlr, msg, was_busy);